Drug interactions Vitamin C can interact with some other medications
Because these conditions prevent adequate oral uptake, intramuscular injection bypasses the digestive system entirely and delivers B12 directly into muscle tissue for reliable absorption

How Its Administered Sublingual (under the tongue): Held for 6090 seconds before swallowing for partial absorption into the bloodstream Oral (swallowed): Acts more locally in the stomach and intestines Dosage: Often ranges between 5001,000 mcg daily, depending on delivery and peptide strength Pros No injections required Easier to dose and travel with Potentially effective for ulcers, leaky gut, IBS, Crohns, and general GI inflammation Sublingual delivery may offer limited systemic absorption Cons Limited evidence supporting systemic efficacy Most research uses injectable models oral data is scarce Variable absorption depending on formulation and digestive environment May require higher or more frequent dosing to compensate for poor uptake Best For Individuals using BPC157 for gut health, intestinal permeability, or digestive inflammation Those who cant or wont inject peptides but still want potential healing benefits Stackers pairing oral BPC157 with systemic peptides (e.g., MK677) or gut support supplements BPC157 Capsules or Pills Capsule-based BPC157 supplements are increasingly marketed as convenient, over-the-counter alternatives to injectable or liquid forms

So you can see from the above the challenges for doctors to consider so many factors to get to the correct diagnosis
BPC-157 was first isolated from body protection compound (BPC), which is found in the gastric juices and is part of the digestive process [1]